@media only screen and (min-width:500px) {

}@media only screen and (min-width:640px) {


}@media only screen and (min-width:768px) {

}@media only screen and (min-width:1020px) {
    .my-artical{
        padding-left: 15%;
    }
}@media only screen and (min-width:1280px) {
    .my-artical{
        padding-left: 15%;
    }
}@media only screen and (min-width:1536px) {
    .my-artical{
        padding-left: 15%;
    }
}